<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <h1>{{text}}</h1>
    </div>
    <script src="./vue.js"></script>
    <script>
        const vue = new Vue({
            el: '#app',
            data: {
                text: '我是弹框',
                flag: true
            },
            mechods: {
                openMask() {
                    console.log(text);
                }
            }
        })
    </script>
</body>

</html>